<!DOCTYPE html>
<html>
<head>
    <script src="../../resources/ui-helper.js"></script>
    <script>
        if (window.testRunner) {
            testRunner.waitUntilDone();
            testRunner.dumpAsText();
        }

        async function doTest()
        {
            await UIHelper.ensureStablePresentationUpdate();
            let tree = await UIHelper.getUIViewTree();

            document.getElementById('test').remove();

            let output = document.createElement('pre');
            document.body.append(output);
            output.textContent = tree;

            testRunner.notifyDone();
        }

        window.addEventListener('load', doTest, false);
    </script>
</head>
<body>
<div id="test">
    <div style="will-change: transform;">Hello</div>
</div>
</body>
</html>